For Ashley was born of a line of men who used their leisure for thinking, not doing, for spinning brightly colored dreams that had in them no touch of reality.

因为艾希礼天生属于那种类型，一有闲暇不是用来做事，而是用来思想，用来编织色彩斑斓而毫无现实内容的幻梦。

youdao

'emotion based' thinking pattern - your emotions control what you are thinking and therefore your vision of what reality is e.g.

思维方式6“基于感性”——由感性控制思维。

youdao

Look to reality instead of relying on wishful thinking.

要着眼现实，而不要依赖一厢情愿的想法。

youdao

Kvit adds that most contemporary Ukrainian politicians are heavily influenced by Soviet-style thinking, but even they understand the reality of free speech in Ukraine, which remains despite changes in government.

VOA: standard.2010.03.17

You know, like, we can't possibly create the physical reality of what we're thinking

就好像我们不能一有某种想法，

和男朋友在一起 - SpeakingMax英语口语达人

Michael takes this line of thinking deeper by sharing the reality that those whom you lead will determine who you become as a leader, and will in fact shape your destiny as a leader.

FORBES: How The Led Can Change The Leader

"The euro was a victory of political romanticism over economic thinking and reality, " Mr. Bolkestein says.

WSJ: Doubts Arise in Euro's Birthplace

In terms of your question: If the person you are thinking of was completely normal before the head trauma, had serious head trauma and has been out of touch with reality ever since -- which is really the definition of psychosis -- then it is extremely likely that the head trauma is the cause of the problem.

CNN: Can traumatic brain injury trigger mental health issues?